Set default search request scopes to catalog+primo central, if not given (closes ubpb/catalog#335)
WIP
WIP
Our very own html line trunker
Refactored trunker.js
Make authors a trunked field
Fixed bug in trunker
Re-add source field to details view (as _source, because it interferes with draper's source) (ubpb/catalog#334)
Make Primo Centrals display/source PNX .html_safe in order to display embedded img's (ubpb/catalog#336)